203 lines
6.8 KiB
C
203 lines
6.8 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef _MSDC_IO_H_
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#define _MSDC_IO_H_
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/**************************************************************/
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/* Section 1: Device Tree */
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/**************************************************************/
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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extern const struct of_device_id msdc_of_ids[];
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extern unsigned int cd_gpio;
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int msdc_dt_init(struct platform_device *pdev, struct mmc_host *mmc);
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/**************************************************************/
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/* Section 2: Power */
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/**************************************************************/
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void msdc_sd_power_switch(struct msdc_host *host, u32 on);
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void msdc_set_host_power_control(struct msdc_host *host);
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void msdc_pmic_force_vcore_pwm(bool enable);
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void msdc_sd_power_off(void);
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#if !defined(FPGA_PLATFORM)
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int msdc_oc_check(struct msdc_host *host, u32 en);
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int msdc_io_check(struct msdc_host *host);
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void msdc_dump_ldo_sts(char **buff, unsigned long *size,
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struct seq_file *m, struct msdc_host *host);
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void msdc_HQA_set_voltage(struct msdc_host *host);
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#else
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#define msdc_power_calibration_init(host)
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void msdc_fpga_pwr_init(void);
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#define msdc_oc_check(msdc_host, en) (0)
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#define msdc_io_check(msdc_host) (1)
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extern void msdc_fpga_power(struct msdc_host *host, u32 on);
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#define msdc_emmc_power msdc_fpga_power
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#define msdc_sd_power msdc_fpga_power
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#define msdc_sdio_power msdc_fpga_power
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#define msdc_dump_ldo_sts(buff, size, m, host)
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#endif
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/**************************************************************/
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/* Section 3: Clock */
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/**************************************************************/
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#include <linux/clk.h>
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#if defined(FPGA_PLATFORM)
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extern u32 hclks_msdc[];
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#define msdc_dump_dvfs_reg(buff, size, m, host)
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#define msdc_dump_clock_sts(buff, size, m, host)
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#define msdc_get_hclk(host, src) MSDC_SRC_FPGA
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static inline int msdc_clk_enable(struct msdc_host *host) { return 0; }
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#define msdc_clk_disable(host)
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#define msdc_get_ccf_clk_pointer(pdev, host) (0)
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#define msdc_clk_enable_and_stable(host)
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#endif
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#if !defined(FPGA_PLATFORM)
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extern u32 *hclks_msdc_all[];
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extern void msdc_dump_dvfs_reg(char **buff, unsigned long *size,
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struct seq_file *m, struct msdc_host *host);
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void msdc_dump_clock_sts(char **buff, unsigned long *size,
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struct seq_file *m, struct msdc_host *host);
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#define msdc_get_hclk(id, src) hclks_msdc_all[id][src]
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#ifndef CONFIG_MTK_MSDC_BRING_UP_BYPASS
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#define msdc_clk_enable(host) \
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do { \
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(void)clk_enable(host->clk_ctl); \
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if (host->aes_clk_ctl) \
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(void)clk_enable(host->aes_clk_ctl); \
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if (host->hclk_ctl) \
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(void)clk_enable(host->hclk_ctl); \
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} while (0)
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#define msdc_clk_disable(host) \
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do { \
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clk_disable(host->clk_ctl); \
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if (host->aes_clk_ctl) \
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clk_disable(host->aes_clk_ctl); \
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if (host->hclk_ctl) \
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clk_disable(host->hclk_ctl); \
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} while (0)
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#define msdc_clk_prepare_enable(host) \
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do { \
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(void)clk_prepare_enable(host->clk_ctl); \
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if (host->aes_clk_ctl) \
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(void)clk_prepare_enable(host->aes_clk_ctl); \
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if (host->hclk_ctl) \
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(void)clk_prepare_enable(host->hclk_ctl); \
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} while (0)
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#define msdc_clk_disable_unprepare(host) \
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do { \
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clk_disable_unprepare(host->clk_ctl); \
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if (host->aes_clk_ctl) \
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clk_disable_unprepare(host->aes_clk_ctl); \
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if (host->hclk_ctl) \
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clk_disable_unprepare(host->hclk_ctl); \
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} while (0)
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#else
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#define msdc_clk_enable(host)
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#define msdc_clk_disable(host)
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#define msdc_clk_prepare_enable(host)
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#define msdc_clk_disable_unprepare(host)
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#endif
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int msdc_get_ccf_clk_pointer(struct platform_device *pdev,
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struct msdc_host *host);
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void msdc_clk_enable_and_stable(struct msdc_host *host);
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#endif
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/**************************************************************/
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/* Section 4: GPIO and Pad */
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/**************************************************************/
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/*******************************************************************************
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*PINMUX and GPIO definition
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******************************************************************************/
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#define MSDC_PIN_PULL_NONE (0)
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#define MSDC_PIN_PULL_DOWN (1)
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#define MSDC_PIN_PULL_UP (2)
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#define MSDC_PIN_KEEP (3)
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#define MSDC_TDRDSEL_SLEEP (0)
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#define MSDC_TDRDSEL_3V (1)
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#define MSDC_TDRDSEL_1V8 (2)
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#define MSDC_TDRDSEL_CUST (3)
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#ifndef FPGA_PLATFORM
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void msdc_set_driving_by_id(u32 id, struct msdc_hw_driving *driving);
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void msdc_get_driving_by_id(u32 id, struct msdc_hw_driving *driving);
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void msdc_set_ies_by_id(u32 id, int set_ies);
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void msdc_set_sr_by_id(u32 id, int clk, int cmd, int dat, int rst, int ds);
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void msdc_set_smt_by_id(u32 id, int set_smt);
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void msdc_set_tdsel_by_id(u32 id, u32 flag, u32 value);
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void msdc_set_rdsel_by_id(u32 id, u32 flag, u32 value);
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void msdc_get_tdsel_by_id(u32 id, u32 *value);
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void msdc_get_rdsel_by_id(u32 id, u32 *value);
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void msdc_dump_vcore(char **buff, unsigned long *size, struct seq_file *m);
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void msdc_dump_padctl_by_id(char **buff, unsigned long *size,
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struct seq_file *m, u32 id);
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void msdc_pin_config_by_id(u32 id, u32 mode);
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void msdc_set_pin_mode(struct msdc_host *host);
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#else
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#define msdc_set_driving_by_id(id, driving)
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#define msdc_get_driving_by_id(id, driving)
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#define msdc_set_ies_by_id(id, set_ies)
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#define msdc_set_sr_by_id(id, clk, cmd, dat, rst, ds)
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#define msdc_set_smt_by_id(id, set_smt)
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#define msdc_set_tdsel_by_id(id, flag, value)
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#define msdc_set_rdsel_by_id(id, flag, value)
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#define msdc_get_tdsel_by_id(id, value)
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#define msdc_get_rdsel_by_id(id, value)
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#define msdc_dump_vcore(buff, size, m)
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#define msdc_dump_padctl_by_id(buff, size, m, id)
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#define msdc_pin_config_by_id(id, mode)
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#define msdc_set_pin_mode(host)
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#endif
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#define msdc_get_driving(host, driving) \
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msdc_get_driving_by_id(host->id, driving)
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#define msdc_set_driving(host, driving) \
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msdc_set_driving_by_id(host->id, driving)
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#define msdc_set_ies(host, set_ies) \
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msdc_set_ies_by_id(host->id, set_ies)
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#define msdc_set_sr(host, clk, cmd, dat, rst, ds) \
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msdc_set_sr_by_id(host->id, clk, cmd, dat, rst, ds)
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#define msdc_set_smt(host, set_smt) \
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msdc_set_smt_by_id(host->id, set_smt)
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#define msdc_set_tdsel(host, flag, value) \
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msdc_set_tdsel_by_id(host->id, flag, value)
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#define msdc_set_rdsel(host, flag, value) \
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msdc_set_rdsel_by_id(host->id, flag, value)
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#define msdc_get_tdsel(host, value) \
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msdc_get_tdsel_by_id(host->id, value)
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#define msdc_get_rdsel(host, value) \
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msdc_get_rdsel_by_id(host->id, value)
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#define msdc_dump_padctl(buff, size, m, host) \
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msdc_dump_padctl_by_id(buff, size, m, host->id)
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#define msdc_pin_config(host, mode) \
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msdc_pin_config_by_id(host->id, mode)
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#endif /* end of _MSDC_IO_H_ */
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